It has member organisations all over the world and is strongest in Europe and South America.

Many of its member organisations work with children and young people of all ages through activities, groups and camping.

[7] The Presidium is made up of the Secretary-General, President, Vice President and one Presidium members from each region (Africa, Latin America, Middle East, Europe and Asia) to make a total of 8 members.

[8] There were four children's republics held by the international before World War II: Since the end of World War II the IFM-SEI organises international camps as well as encouraging bi- and multi-lateral camps between members.

The following is a list of official IFM-SEI camps held since 1945:[9] Yhessä Together, International, doing things together.